<template>
  <view>
    <!-- 1. 头部搜索框 -->
    <ugo-search />
    <!-- 2. tabs 选项卡 -->
    <u-tabs :list="[{ name: '综合' }, { name: '销量' }, { name: '价格' }]" lineColor="#EB4450" :scrollable="false"></u-tabs>
    <!-- 3. 商品列表 -->
    <view class="goods-list">
      <!-- 商品列表渲染 -->
      <navigator class="goods-item" v-for="item in goodsList" :key="item.goods_id"
        :url="`/pagesA/goods_detail/goods_detail?goods_id=${item.goods_id}`">
        <!-- 商品图片 -->
        <image class="goods-image" :src="item.goods_small_logo || defaultImg" mode="aspectFit" />
        <!-- 商品信息 -->
        <view class="goods-info">
          <view class="goods-name">{{ item.goods_name }}</view>
          <view class="goods-price">{{ item.goods_price }}</view>
        </view>
      </navigator>
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      queryParams: {},
      goodsList: [],
      total: '',
      defaultImg: 'https://img0.baidu.com/it/u=2309605442,688390507&fm=253&fmt=auto&app=138&f=JPEG?w=533&h=300'
    }
  },
  // 生命周期-页面加载
  onLoad(options) {
    this.queryParams = { ...options, pagenum: 1, pagesize: 20 }
    this.getGoodsList()
  },
  // 页面触底钩子
  onReachBottom() {
    if (this.goodsList.length < this.total) {
      this.queryParams.pagenum++
      this.getGoodsList()
    } else {
      uni.showToast({
        icon: 'none',
        title: '没有数据了'
      })
    }
  },

  // 下拉刷新
  async onPullDownRefresh() {
    this.queryParams.pagenum = 1
    this.goodsList = []
    await this.getGoodsList()
    uni.stopPullDownRefresh()
  },

  methods: {
    // 获取数据
    async getGoodsList() {
      uni.showToast({ icon: 'loading', title: '加载中...' })
      const res = await uni.$u.http.get('/goods/search', { params: this.queryParams })
      this.goodsList.push(...res.data.message.goods)
      this.total = res.data.message.total
      uni.hideToast()
    }
  },
}
</script>

<style lang="scss">
.goods-list {
  .goods-item {
    display: flex;
    border-bottom: 1rpx solid #ddd;
    padding: 25rpx;

    .goods-image {
      width: 190rpx;
      height: 190rpx;
    }

    .goods-info {
      flex: 1;
      font-size: 24rpx;
      // 垂直方向两端对齐
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 20rpx;

      .goods-name {
        // 多行超出隐藏
        overflow: hidden;
        -webkit-line-clamp: 2;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
      }

      .goods-price {
        color: #eb4450;

        // 前面的价格符号
        &::before {
          content: '￥';
          font-size: 80%;
          margin-right: 5rpx;
        }
      }
    }
  }
}
</style>
